By default en language with ulaw are added. You may want to add some extra format and languages. (you might choose codec {alaw,ulaw,g722,gsm} you want and language {en,en_AU,fr,es}, see http://packages.asterisk.org/centos/6/current/i386/RPMS/):
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By default en language with ulaw are added. You may want to add some extra format and languages. (you might choose codec {alaw,ulaw,g722,gsm} you want and language {en,en_AU,fr,es}, see http://packages.asterisk.org/centos/6/current/i386/RPMS/). You can also manually download them latter through the Freepbx interface.